16401131440

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2029843}}^1$

素因数の和:2029957

約数の個数: 40

約数和(自身を含む): 38510200368

約数和(自身を除く): 22109068928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 2029843, 4059686, 8119372, 10149215, 16238744, 20298430, 32477488, 40596860, 81193720, 162387440, 205014143, 410028286, 820056572, 1025070715, 1640113144, 2050141430, 3280226288, 4100282860, 8200565720, 16401131440]

約数ペア:

[(1, 16401131440), (2, 8200565720), (4, 4100282860), (5, 3280226288), (8, 2050141430), (10, 1640113144), (16, 1025070715), (20, 820056572), (40, 410028286), (80, 205014143), (101, 162387440), (202, 81193720), (404, 40596860), (505, 32477488), (808, 20298430), (1010, 16238744), (1616, 10149215), (2020, 8119372), (4040, 4059686), (8080, 2029843)]